H01M 8/04402
Of anode exhausts
Official title: {of anode exhausts}
H01M8/04402 (Of anode exhausts) appears on 153 US grants and 217 published applications in this corpus.
Search patents in H01M- Granted patents
- 153
- Published applications
- 217
- Assignees
- 84
- Inventors
- 416
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 4 |
| 2003 | 1 | 1 |
| 2004 | 3 | 5 |
| 2005 | 1 | 13 |
| 2006 | 2 | 8 |
| 2007 | 1 | 14 |
| 2008 | 4 | 9 |
| 2009 | 9 | 10 |
| 2010 | 6 | 13 |
| 2011 | 6 | 5 |
| 2012 | 8 | 7 |
| 2013 | 13 | 9 |
| 2014 | 6 | 8 |
| 2015 | 8 | 7 |
| 2016 | 7 | 7 |
| 2017 | 5 | 8 |
| 2018 | 11 | 10 |
| 2019 | 4 | 13 |
| 2020 | 13 | 14 |
| 2021 | 7 | 10 |
| 2022 | 8 | 8 |
| 2023 | 12 | 12 |
| 2024 | 9 | 6 |
| 2025 | 3 | 4 |
| 2026 | 3 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- System including fuel cell assembly voltage monitor9 Sep 2025US 12,412,913 B2FuelCell Energy, Inc.
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Most cited
By later US patents
- Method and system for controlling output of fuel cell power generator135US 5,637,414 AFuji Electric Co., Ltd. · 1997
- Fuel cell generator and method of the same123US 5,677,073 AToyota Jidosha Kabushiki Kaisha · 1997
- Utilization-based fuel cell monitoring and control24US 7,985,510 B2IdaTech, LLC · 2011
- Method and apparatus for electrochemical compression and expansion of hydrogen in a fuel cell system14US 7,045,233 B2Plug Power Inc. · 2006
- Fuel cell system containing humidity sensor and method of operating thereof13US 10,581,090 B2Bloom Energy Corporation · 2020